How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/4100.0*Chance wins regular season title100.0*Top 4100.0*Worst record100.0*Average seed
Auburn 41 LSU 7 +9.8
+13.4
-1.9
+1.3
Georgia 44 Vanderbilt 17 -0.5
-0.5
-0.5
Tennessee 9 Florida 10 -0.4
-0.3
-0.1
Mississippi State 48 Texas A&M 31 +0.3
+0.1
Kentucky 45 South Carolina 38 -0.2
-0.4
If winner is:HomeAway
Week of 10/11100.0*Chance wins regular season title100.0*Top 4100.0*Worst record100.0*Average seed
Mississippi State vs Auburn-15.7+15.7
-16.7+16.7
+0.2-0.2
-1.3+1.3
Florida vs LSU-1.6+1.6
-1.5+1.5
-0.1+0.1
-0.1+0.1
Arkansas vs Alabama+0.8-0.8
+1.0-1.0
+0.1-0.1
+0.1-0.1
Missouri vs Georgia-0.6+0.6
-0.8+0.8
Texas A&M vs Ole Miss+0.2-0.2
+0.1-0.1

What If

Chances based on how well the Auburn finish out the regular season.   Explain

100100100100100100100100100100100100100100
If finish:Chance will finish regular season at seedWorst
TWW-LChance wins regular season titleTop 41234567891011121314recordCount
64-097.7%100.0%8513200No382,442
53-168.992.6402915852100No1,525,012
42-220.455.1614181715117642000No2,286,809
31-31.211.7014711131414131184100.1%1,523,721
20-40.00.30001469141718171132.9382,340
Total:31.3%53.0%1814121098766532100.2%6,100,324
Games Above .500
Chance Will Win Regular Season Title